Laser theory of Fabry-Perot (FP) semiconductor lasers proves to be nonlinear, since the gain, the refractive index and the loss ... Maxwells equations describe the field for passive medium and cannot be used in describing the field in laser and quantum ... The necessary condition of induced radiation of the 2nd kind allows formulating the basic restriction of laser capacity, which ... this suggests that the nonlinear theory developed is a new paradigm of the laser theory. ...
Physicists have developed the worlds smallest semiconductor laser, a breakthrough for emerging photonic technology with ... Worlds smallest semiconductor laser created. Date:. July 26, 2012. Source:. University of Texas at Austin. Summary:. ... "Worlds smallest semiconductor laser created." ScienceDaily. www.sciencedaily.com. /. releases. /. 2012. /. 07. /. 120726142158 ... Miniaturization of semiconductor lasers is key for the development of faster, smaller and lower energy photon-based ...
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Researchers have reached a new milestone in laser physics by creating the worlds smallest semiconductor laser, capable of ... 3D Laser Nanoprinters Become Compact. Nov. 30, 2021 Lasers in conventional laser printers for paper printouts are very small. ... Researchers have reached a new milestone in laser physics by creating the worlds smallest semiconductor laser, capable of ... have reached a new milestone in laser physics by creating the worlds smallest semiconductor laser, capable of generating ...
... Zhenguo Lu, Khan Zeb, Jiaren Liu, Eric Liu, Linda Mao, ... "Quantum dot semiconductor lasers for 5G and beyond wireless networks", Proc. SPIE 11690, Smart Photonic and Optoelectronic ... "Quantum dot semiconductor lasers for 5G and beyond wireless networks," Proc. SPIE 11690, Smart Photonic and Optoelectronic ... The QD DW-DFB laser is capable of generating spectrally pure mmW signals between 46 GHz and 48 GHz with the 3-dB RF beating ...
High-Power Operation of Semiconductor Disk Lasers The development of semiconductor disk lasers (SDLs), which are also known as ... The development of semiconductor disk lasers (SDLs), which are also known as vertical-external-cavity surface-emitting lasers ( ... The work presented in this thesis was focussed on the development and testing of high-power semiconductor disk lasers based on ... Owing to a steady progress in the field of SDLs, they feature many advantages over conventional semiconductor (diode) lasers. ...
Although optically-pumped organic semiconductor lasers have been demonstrated since the early days of lasers, electrically- ... Organic semiconductors have many favourable and plastic-like optical properties that are promising for the development of low ... Although optically-pumped organic semiconductor lasers have been demonstrated since the early days of lasers, electrically- ... The pursuit of electrically-driven organic semiconductor lasers Satria Zulkarnaen Bisri,*a Taishi Takenobub and Yoshihiro Iwasa ...
Scientists at St Andrews are leading a significant breakthrough in a decades-long challenge to develop compact laser technology ... Most of these lasers are made from rigid, brittle, semiconductor crystals such as gallium arsenide. Organic semiconductors are ... A limitation of organic semiconductor lasers is that they typically need another laser to power them. Researchers have been ... Structure of the electrically driven organic semiconductor laser. a, Chemical structure of TSBF and BBEHP-PPV. b, Cross-section ...
Semiconductor Lasers and Laser Dynamics IV. Krassimir Panajotov; Marc Sciamanna; Angel A. Valle; Rainer Michalzik, Editor(s) ... SPIE 7720, Semiconductor Lasers and Laser Dynamics IV, 77201Z (27 April 2010); doi: 10.1117/12.854342. Show Author Affiliations ... diagram of the optically injected semiconductor ring laser shows differences with the ones of other semiconductor lasers. For ... Dynamical regimes in an optically injected semiconductor ring laser Author(s): W. Coomans; S. Beri; G. Van der Sande; L. Gelens ...
Cooling Semiconductor By Laser Light. Author: ChemistryViews. Semiconductors are vital components in solar cells, LEDs, and ... When laser light hits the semiconductor membrane, some of the light is reflected and the light is reflected back again via a ... Optical cavity cooling of mechanical modes of a semiconductor nanomembrane,. K. Usami, A. Naesby, T. Bagci, B. Melholt Nielsen ... Koji Usami and colleagues, Niels Bohr Institute, University of Copenhagen, Denmark, have produced a semiconductor membrane with ...
US-6195166-B1 chemical patent summary.
Isochronal synchronisation between the elements of an array of three mutually coupled directly modulated semiconductor lasers ... Bidirectional Communication using Isochronal Synchronisation of Array of Chaotic directly modulated Semiconductor Lasers. ... Bidirectional Communication using Isochronal Synchronisation of Array of Chaotic directly modulated Semiconductor Lasers ... bidirectional communication using isochronal synchronisation of array of chaotic directly modulated semiconductor lasers", ...
Towards filament free semiconductor lasers. John McInerney, Peter OBrien, Peter M. W. Skovgaard, Mark Mullane, John Houlihan, ... Towards filament free semiconductor lasers. / McInerney, John; OBrien, Peter; Skovgaard, Peter M. W. et al. Proceedings of ... Towards filament free semiconductor lasers. In Proceedings of SPIE 3944. 2000. p. 376-386 ... Towards filament free semiconductor lasers. Proceedings of SPIE 3944. 2000. pp. 376-386 ...
In this work, novel achievements in the field of ultrafast semiconductor disk lasers (SDL) are discussed. Using this highly ... His research interests focus on the development of ultrafast semiconductor lasers in particular the integration of the ... the vertical external-cavity surface-emitting laser (VECSEL) and the semiconductor saturable absorber mirror (SESAM), in one ... where other ultrafast lasers are too expensive, complex, bulky, or fragile. In addition, an ultrastable laser prototype was ...
The semiconductor disk laser (SDL) is a versatile laser source offering multiwatt-level output powers and diffraction limited ... Limits on efficiency and power scaling in semiconductor disk lasers with diamond heatspreaders ... surface emitting laser, finite element analysis, solid state lasers, thermal management, heat spreader, Optics. Light, ... Limits on efficiency and power scaling in semiconductor disk lasers with diamond heatspreaders. Journal of the Optical Society ...
... scheme involving a DBR or DFB master laser monolithically integrated with a unidirectional semiconductor microring laser. In ... light backscattering on high-speed modulation performance in strongly injection-locked unidirectional semiconductor ring lasers ... modes on high-speed modulation performance of strongly injection-locked unidirectional semiconductor microring lasers. ...
Optical phase-locked loops; Optoelectronics; Semiconductor lasers; Control systems; Swept-frequency lasers; Coherence; Optical ... This thesis explores the precise control of the phase and frequency of the output of semiconductor lasers (SCLs), which are the ... Satyan, Naresh (2011) Optoelectronic Control of the Phase and Frequency of Semiconductor Lasers. Dissertation (Ph.D.), ... It is shown, theoretically and experimentally, and in the time and frequency domains, that the coherence of the master laser is ...
... a broad-area vertical-cavity surface-emitting laser ... ... of laser vortex solitons in a self-focusing semiconductor laser ... The observations qualitatively verify theoretical predictions based on simplified models for a semiconductor laser with ... a broad-area vertical-cavity surface-emitting laser (VCSEL) with frequency-selective feedback by a volume Bragg grating. They ...
Relations between the frequency and amplitude noise variations of semiconductor lasers are obtained from the laser rate ... Reduction of relative intensity noise of the output field of semiconductor lasers due to propagation in dispersive optical ... on the intensity noise from semiconductor lasers is investigated. ... Measurements with a 1.56 mu m distributed feedback laser confirm the main theoretical results and demonstrate reductions in RIN ...
... or simply laser diodes, are extensively used in a range of laser devices intended for tactical military applications, such ... Semiconductor diode lasers are close second to solid-state lasers in usage as far as tactical military applications of lasers ... Part 3 of 4: Defence Lasers and Optronic Systems: Semiconductor Diode Laser Electronic. ... Focus in this part of the article is on semiconductor diode laser electronics -- Dr Anil K. Maini and Nakul Maini ...
Thyristor oscillator with automatic control of current-pulse amplitude for the pumping of semiconductor lasers *Galun, B. V. ...
Time resolved chirp measurements of gain switched semiconductor laser using a polarization based optical differentiator ... Time resolved chirp measurements of gain switched semiconductor laser using a polarization based optical differentiator. ... technique and apply it to characterize the time resolved chirp of a gain switched semiconductor laser. The optical temporal ... Time resolved chirp measurements of gain switched semiconductor laser using a polarization based optical differentiator. " ...
Physical Sciences , Lasers. Physical Sciences , Semiconductors. DCU Faculties and Centres:. DCU Faculties and Schools , Faculty ... An actively mode-locked fiber ring laser that utilizes an EDFA and semiconductor optical amplifier (SOA) is presented. The SOA ... Ring laser; Mode-locking; Semiconductor optical amplifier; Frequency resolved optical gating; Optical pulse measurements;. ... Investigation of noise suppression, pulse intensity and chirp of an actively mode-locked semiconductor fiber ring laser ...
... in contrast to surface-emitting lasers -- are semiconductor lasers emitting light along the plane of the wafer. Most laser ... See also: semiconductor lasers, laser diodes, broad area laser diodes, surface-emitting semiconductor lasers ... Edge-emitting semiconductor lasers. Edge-emitting Semiconductor Lasers. Definition: semiconductor lasers emitting light along ... Semiconductor lasers can be grouped into two classes:. *Edge-emitting lasers (also called in-plane lasers), where the laser ...
van Tartwijk GHM, Lenstra D. Low-frequency fluctuations in semiconductor lasers with optical feedback. Asian Journal of Physics ... van Tartwijk, G.H.M. ; Lenstra, D. / Low-frequency fluctuations in semiconductor lasers with optical feedback. In: Asian ... Low-frequency fluctuations in semiconductor lasers with optical feedback. / van Tartwijk, G.H.M.; Lenstra, D. In: Asian Journal ... van Tartwijk, G. H. M., & Lenstra, D. (1998). Low-frequency fluctuations in semiconductor lasers with optical feedback. Asian ...
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Semiconductor lasers. Within the Laser group, we are interested in two types of semiconductor-based laser sources: high-power ... We are particularly interested in the coherent combining of laser diodes, and in the development of dual-frequency lasers for ... We investigate and evaluate different laser architectures adapted to these components. This work is carried out in ... laser diodes and optically pumped active structures. ... Coherent combining of laser diodes. Dual-frequency optically- ...